After commit.
Multi-line label improvements, real data diagram example
Manifest fix
test plugin added to maven build; added dependency to mockito
.project and .classpath files restored
.project and .classpath files restored
build.properties fixed in integration tests plug-in
[CAST-1751] Date format converter + unit test
Move TimelineDateConverterTest to the test project.
Change TimelineDateConverterTest to use unicode escape codes.
Externalize polish strings.

In the product the encoding was utf-8, and in the development cp1250,
now it's externalized, so it's independent.